MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fec7954aa3371bf433c08e12761cdd6bd56da4ddfb0b0f4e38d752f41a2a9fe. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fec7954aa3371bf433c08e12761cdd6bd56da4ddfb0b0f4e38d752f41a2a9fe
SHA3-384 hash: ac4afb23a394d458e2b2b727084b9a1651dbd68542ea5068764113b55a077389adaa9f00eeed01c18f6d99fe79625a74
SHA1 hash: 524dedf7a86b0681cb8d396bfc877b508eccd92c
MD5 hash: 7a2c0eaed4b543d83488a53dc64f8926
humanhash: tango-snake-grey-magnesium
File name:PO#00082023.pdf.tar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:521'068 bytes
First seen:2023-07-31 06:52:01 UTC
Last seen:Never
File type: tar
MIME type:application/x-rar
ssdeep 12288:Des2JmEJZKnyBJEq483KgTgixBJ/Dzi0lD+0:asu1cy4q48nEwBJ/dP
TLSH T182B423AB314F5100D9FE89E6D2E68062B4F3A8682D394CEF75D5AF257041C34149BAAE
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla tar


Avatar
cocaman
Malicious email (T1566.001)
From: "Weiwa Chu Cheng <sales@khemed.com>" (likely spoofed)
Received: "from khemed.com (unknown [45.137.22.91]) "
Date: "31 Jul 2023 05:28:22 +0200"
Subject: "PURCHASE ORDER"
Attachment: "PO#00082023.pdf.tar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:PO#00082023.pdf.exe
File size:809'472 bytes
SHA256 hash: 9e7eaf53bfef161396377f312d623d10c49746779710206acbe408496e50d68e
MD5 hash: 944c4f1ce96c2f5271165e3bc0425384
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL
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Sanesecurity.Malware.27363.Rar5Heur.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64c75a1779f59a4bdc0d0624/reports/c8b6cad7-41c4-41d4-b935-a180cab2b37a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4fec7954aa3371bf433c08e12761cdd6bd56da4ddfb0b0f4e38d752f41a2a9fe
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fec7954aa3371bf433c08e12761cdd6bd56da4ddfb0b0f4e38d752f41a2a9fe/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-31 06:52:04 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7whsvfkgny36qz4bdqsoyon226vnwsn36ylb5hdrv2s6qncvh7a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230731-hxmswseb4v/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

tar 4fec7954aa3371bf433c08e12761cdd6bd56da4ddfb0b0f4e38d752f41a2a9fe

(this sample)

AgentTesla

Executable exe 9e7eaf53bfef161396377f312d623d10c49746779710206acbe408496e50d68e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 9e7eaf53bfef161396377f312d623d10c49746779710206acbe408496e50d68e
  
Dropping
MD5 944c4f1ce96c2f5271165e3bc0425384

Comments